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265 results about "Relay transmission" patented technology

The transmission control relay (TCR) is used to supply power to the transmission solenoid pack during normal operation. When the relay is off, no power is supplied to the control pack and the transmission goes into “limp mode”. The relay is controlled by the powertrain control module (PCM) and/or transmission control module (TCM).

Edge computing data transmission and collaborative optimization method based on ad hoc network technology

The invention discloses an edge computing data transmission and collaborative optimization method based on an ad-hoc network technology, which comprises the following steps: S1, constructing a communication network based on the ad-hoc network technology, and collecting a resource occupancy state and communication link bandwidth information; s2, constructing Fourier neural operator network structure parameters, obtaining optimal structure configuration by using a hunting optimization algorithm, and performing model training; s3, constructing a time sequence feature set based on the collected data, inputting the trained model, and generating an edge network state sequence; s4, scheduling and transmission optimization are carried out based on the state sequence, and an optimal combination scheme is searched by adopting a hunting optimization algorithm; s5, deploying the optimal scheduling and path to an edge ad hoc network, executing multi-hop relay transmission, and supporting path reconstruction and task migration; and S6, collecting actual operation data, comparing the actual operation data with a prediction result, updating model parameters, and executing closed-loop optimization. According to the method, efficient collaboration and dynamic self-adaption of task scheduling and data transmission in an edge computing environment are realized.
Owner:星展(山东)智能装备有限责任公司

Highway intelligent scheduling system based on air-ground collaborative data

The invention discloses an expressway intelligent scheduling system based on air-ground collaborative data, and relates to the technical field of intelligent traffic, and the system comprises a low-altitude aircraft module which is used for monitoring the traffic state of an expressway in real time through a sensor, and generating a multi-sensor fusion data set through a data fusion algorithm; the ground vehicle module is used for communicating with the management and control center module through a vehicle-mounted terminal and receiving traffic guidance information, accident early warning and navigation instructions; the road side unit module is used for monitoring data of lanes and traffic nodes, generating a traffic flow initial data set and carrying out relay transmission on communication data among different modules; and the management and control center module is used for generating traffic guidance information, accident early warning and navigation instructions by using an artificial intelligence algorithm, and issuing the traffic guidance information, accident early warning and navigation instructions to ground vehicles by using a communication network. According to the invention, through cooperation of the low-altitude aircraft, the ground vehicle, the road side unit and the management and control center module, fusion analysis and intelligent scheduling of multi-source data are realized.
Owner:SHANDONG HI SPEED GRP CO LTD +1

Earthquake early warning analysis system and method based on intelligent equipment

The invention relates to the technical field of earthquake monitoring and early warning, in particular to an earthquake early warning analysis system and method based on intelligent equipment. The system comprises a terminal sensing and initial judgment module which collects data through a sensor array, identifies P-wave features by using a dynamic weight adjustment model and generates an encrypted initial alarm; the adaptive network transmission module is used for establishing a dynamic self-organizing network based on a D2D protocol and realizing multi-hop relay transmission of alarms by electing relay nodes; the edge aggregation and verification module is used for executing space-time matching and cross verification on a plurality of alarms in a specific area, judging the authenticity of an event and generating graded early warning information; and the cloud control fusion and actuarial module is used for fusing the regional event data and the professional network data, executing high-precision positioning and earthquake magnitude calculation, and issuing a final early warning instruction. According to the invention, a high-density sensing network is constructed by using massive intelligent devices, the early warning blind area is effectively eliminated, and faster, more accurate and more robust earthquake early warning is realized.
Owner:ANHUI PROVINCIAL EARTHQUAKE RISK PREVENTION & CONTROL CENT (ANHUI PROVINCIAL EARTHQUAKE ENG RES INST)

Multi-intersection coordinated traffic control synchronization method, device and equipment

The invention provides a multi-intersection coordinated traffic control synchronization method, device and equipment, and aims to solve the technical problems of inconsistent coordination timing among intersections, lack of a unified decision-making mechanism, fracture of coordination effect and insufficient fault recovery capability in traditional single-intersection independent control. By establishing an inter-intersection communication connection network and a shared data processing system, a weighted coordination framework and an elastic multi-point synchronous control mechanism based on priority distribution are innovatively constructed, and a self-adaptive reconstruction and efficiency-increasing optimization system is established in combination with coordination effect chain analysis and a flow relay adjustment strategy. Layered management of intersection coordination decision and effect relay transmission amplification are systematically realized, and finally a multi-intersection integrated control framework with unified coordination, elastic adjustment, self-adaptive fault tolerance and continuous synergy capabilities is formed. Scientific and reliable technical support and technical basis are provided for application scenes such as urban regional traffic coordinated management, intelligent traffic system multi-point control, traffic jam coordinated treatment, road network efficiency optimization and the like.
Owner:JIANGSU SMART WORKSHOP TECHNOLOGY RESEARCH INSTITUTE CO LTD

Communication method and communication device

The invention provides a communication method, which can be applied to a WLAN (Wireless Local Area Network) system supporting an IEEE (Institute of Electrical and Electronic Engineers) 802.11 ax next generation Wi-Fi protocol, such as 802.11 be, Wi-Fi 7 or EHT, and then 802.11 series protocols such as 802.11 be next generation, Wi-Fi 8 and the like, and can also be applied to a UWB (Ultra Wideband)-based wireless personal area network system and a sensing system. The method comprises the steps that a source MLD obtains information of a relay MLD through a low-frequency communication link, the relay MLD is set through the low-frequency communication link, and therefore information can be transmitted to a target MLD through the relay MLD on a high-frequency communication link, and relay transmission is achieved. According to the communication method, the source MLD obtains the information of the relay MLD through the low frequency, and the relay MLD is set through the low frequency, so that the low frequency assists the high frequency to establish the relay transmission, the relay transmission establishment overhead is reduced, and the relay transmission performance is improved.
Owner:HUAWEI TECH CO LTD

Multi-path relay transmission method and system for underground confined space construction data

The invention discloses a multipath relay transmission method and system for underground confined space construction data, and belongs to the technical field of wireless communication network routing, and the method comprises the steps: obtaining a signal quality parameter of a communication link and a distribution density parameter of an ad hoc network node, and combining the load state of the node and the information of a neighbor node, decision calculation is executed on a plurality of relay nodes in parallel, relay decision vectors corresponding to the relay decision vectors are generated, a plurality of candidate transmission paths are formed through evaluation, construction data blocks to be transmitted are fragmented and distributed to the corresponding optimal candidate transmission paths to be sent in parallel, all received data fragmented sub-blocks are verified and recombined, and the construction data blocks to be transmitted are obtained. And recovering a complete construction data block. A distributed relay decision based on network state feature fusion, data adaptive fragmentation based on path stability and a multipath parallel transmission and feedback optimization mechanism are adopted, so that the data transmission reliability in an underground complex environment can be improved, the transmission delay is reduced, and the dynamic optimization of network performance is realized.
Owner:TAIXING YUNTONG INFORMATION TECHNOLOGY CO LTD

Real-time relay transmission method, device and system for fax data

The embodiment of the invention provides a real-time relay transmission method, device and system for fax data, which are applied to a first client front-end device, the first client front-end device is in communication connection with a first fax machine, and the method comprises the following steps: after the first fax machine and a second fax machine are connected in a call, the first client front-end device transmits the fax data to the second fax machine; the first client front-end equipment receives fax data sent by a first fax machine; the first client front-end equipment converts the fax data into an image file; the first client front-end equipment decomposes the image file into a plurality of image units, and a plurality of data packets are obtained after the image units are packaged through an internet protocol; and the first client front-end equipment sends the plurality of data packets to a second fax machine in real time through an Internet session protocol link.
Owner:SHENZHEN FLYINGVOICE NETWORK COMMUNICATION TECHNOLOGY CO LTD

Big data-based intelligent management system and method for storage of articles in refrigeration house

The invention belongs to the technical field of cold chain storage, and provides an intelligent management system and method for cold storage article storage based on big data, and the method comprises the steps: recognizing the shielding state of a temperature sensor from a cold storage laser three-dimensional model, analyzing the cargo stacking density, building a monitoring deviation model in combination with historical temperature data, and marking a shielding high-incidence area; deploying goods-following labels in the shielded high-incidence area and unifying a time reference; switching to a low-frequency wake-up mode when the goods tag is shielded, transmitting data through an adjacent tag relay, enhancing a signal for a temperature sensor, and compensating the temperature based on a monitoring deviation model; fusing the compensated data to generate a space temperature distribution matrix, and predicting temperature change through a time sequence network model in combination with historical data; and marking an abnormal area according to a prediction result, and dynamically adjusting the temperature after AGV rechecking. The system corresponds to the method module, and the problems of data lag and the like caused by sensor shielding are solved.
Owner:SUZHOU NEWASIA TECHNOLOGY CO LTD

Miniature reconnaissance robot system for networking communication

The invention relates to the technical field of robot equipment, and particularly discloses a micro reconnaissance robot system for networking communication, which comprises a multi-hop relay module, an intelligent routing module, a distributed data transmission module and a self-adaptive spectrum management module, the multi-hop relay module is characterized in that each robot node has autonomous networking capability, the networking time is less than or equal to 10 seconds, and the intelligent routing module is connected with the distributed data transmission module; according to the micro reconnaissance robot system, a hybrid communication protocol (Wi-Fi Mesh + LoRa) is adopted, multi-hop relay transmission in a non-line-of-sight (NLOS) environment is supported, an optimal relay path is automatically selected in the non-line-of-sight (NLOS) environment, transmitting power is dynamically adjusted, networking communication is achieved, the deployment limitation caused by dependence on fixed relay equipment is overcome through a multi-hop relay module, and the reliability of the system is improved. The problems of high power consumption and volume increase caused by high transmitting power are solved by utilizing intelligent routing and dynamic power adjustment, meanwhile, the defect of poor transmission diffraction capability of high-frequency-band millimeter waves is avoided, and the communication reliability and flexibility of the miniature reconnaissance robot in a complex environment are remarkably improved.
Owner:ZHONGTIAN INTELLIGENT CONTROL (BEIJING) TECHNOLOGY CO LTD

Power equipment state monitoring and early warning system based on distributed sensor

The invention belongs to the technical field of power equipment supervision, and particularly relates to a power equipment state monitoring and early warning system based on a distributed sensor, which comprises a multi-modal sensing collaborative acquisition module, an edge node adaptive relay transmission module, a multi-dimensional state evaluation module, a dynamic threshold early warning decision module and an intelligent early warning information pushing module. According to the invention, the acquisition period of each sensor is dynamically adjusted through the multi-modal sensing cooperative acquisition module, the time sequence consistency and high quality of output data are ensured, the edge node adaptive relay transmission module dynamically eliminates unqualified nodes, and the optimal transmission path is screened based on an evaluation function, so that the optimal transmission path is obtained. According to the method, node energy consumption is reduced, real-time and reliable transmission of data is guaranteed, a multi-dimensional state evaluation module constructs an evaluation system from multiple key dimensions to avoid misjudgment, accurate identification and graded early warning are carried out on the abnormal state of the power equipment, a differentiated pushing strategy is made according to the early warning level, and it is ensured that early warning information can reach a key role in time.
Owner:SHUBANG POWER TECH CO LTD

Roadway global anchor rod cable anchoring force real-time monitoring system and method

The invention provides a roadway global anchor rod cable anchoring force real-time monitoring system and method, anchor rods / anchor cables are installed in drill holes in a roadway top plate and a roadway side part, and the part, outside a locking nut, of the outer surface of a spherical crown part in a tray serves as an annular monitoring area; the dynamometer is arranged between the locking nut and the tray; the guniting-sensing composite layer comprises a guniting layer and a micro film strain sensor array; the in-tunnel processing terminal is connected with the micro film strain sensor array; the ground processing terminal is connected with the in-tunnel processing terminal through the relay transmission equipment; the method comprises the steps that when the anchor rod / anchor cable is installed, the dynamometer and the intelligent sensing unit are synchronously installed; applying a designed pre-tightening force; receiving the strain sequence signal and sending the strain sequence signal to a ground processing terminal; and obtaining strain force data through a strain-axial force calibration model, and carrying out graded early warning. According to the system and the method, unmanned, real-time and intelligent monitoring of the anchoring force state of the roadway global anchor rod cable can be realized.
Owner:CHINA UNIV OF MINING & TECH

Federal relay transmission method, federal relay transmission system and terminal equipment

The invention discloses a federal relay transmission method and system and terminal equipment, and the transmission method comprises the steps: obtaining a model increment generated by each client in a local training model, and carrying out the fragmentation and encryption processing, and obtaining a data unit set; obtaining a path list currently issued by the aggregator, distributing a transmission path for each data unit in the data unit set, and packaging routing information; multi-hop forwarding is carried out on the data unit through the relay node, link index information is recorded and reported to the aggregator, and the aggregator updates the path list based on the link index information; and verifying, decrypting and recombining the received data units in the aggregator, and updating the global model based on the model increment recombined by all the clients. The method is applied to the field of encryption transmission, safe, reliable and efficient transmission of model increment in federated learning can be effectively achieved, and data privacy is protected and the method adapts to a complex network environment through end-to-end encryption, fragmentation parallel transmission and dynamic multi-hop path optimization.
Owner:GUANGZHOU ELECTRIC POWER COMM NETWORK LTD

Optical fiber optical frequency relay transmission system and method without phase-locked loop

The invention relates to the technical field of optical fiber communication, and discloses an optical fiber optical frequency relay transmission system and method without a phase-locked loop. The optical fiber optical frequency relay transmission system comprises multiple stages of relay stations which are sequentially cascaded through an optical fiber transmission link, and for each stage of relay station, a first photoelectric detector is used for carrying out beat frequency processing on a current-stage optical frequency signal sent by a current-stage regeneration cavity-stabilized laser and an optical frequency signal received from a previous-stage relay station; frequency mixing and summation are carried out on the current-level beat frequency signal and an optical frequency signal transmitted by an upper-level relay station through the data interaction unit, so that noise accumulation generated in a signal transmission process in a traditional phase-locked loop scheme can be thoroughly eliminated; therefore, the noise item in the optical frequency signal output to the user side is completely counteracted, that is, the high-precision original optical frequency signal is provided for the user side, and long-distance and high-precision optical frequency transmission can be realized on the basis of reducing the complexity of system design.
Owner:NAT TIME SERVICE CENT CHINESE ACAD OF SCI +1

Relay operation with energy state mode

Methods, systems, and devices for wireless communication are described. A relay device can detect that a network has transitioned from a first energy state mode to a second energy state mode, and the second energy state mode can be associated with a reduced network coverage area relative to a network coverage area associated with the first energy state mode. The relay device can activate a relay function at the relay device based on detecting that the network has transitioned to the second energy state mode and a location of the relay device relative to the reduced network coverage area. The relay device is capable of communicating with a user equipment (UE) and a network entity of the network to relay transmissions between the UE and the network entity based at least in part on activating the relay function.
Owner:QUALCOMM INC

Communication method and communication device

Provided are a communication method and a communication device, the communication method comprising: a first access network device sending a first connection message through a first relay transmission path, the first connection message being used for instructing a first core network element to provide a service for a terminal device, the first relay transmission path comprises a message transmission path between the first access network device and a second access network device, the second access network device is connected with the first core network element, or the second access network device is connected with a second core network element, and the second core network element is used for determining the first core network element. According to the method provided by the embodiment of the invention, the service request process of the terminal equipment can be realized under the condition that the interface connection between the access network equipment and the network element of the core network is limited.
Owner:HUAWEI TECH CO LTD

Device and method for measuring drilling state of drilling machine

The invention discloses a drilling machine drilling state measuring device which comprises a while-drilling signal acquisition system, and the while-drilling signal acquisition system is sequentially connected with a while-drilling signal wireless transmission system and a drilling state inversion system. The real-time drilling track and the coal rock characteristics are obtained through inversion, and the construction track and the coal rock characteristics of the gas extraction hole are accurately mastered; the invention further discloses a method for measuring the drilling state of the drilling machine. The method comprises the following steps that 1, the installation position of the wireless base station is determined; step 2, constructing a drill hole, acquiring data by the while-drilling track measurement probe, and transmitting the data to a drilling state inversion system through a tail braid joint; 3, a relay transmission drill rod is added till drilling is finished; 4, transferring the drilling machine to construct a new drill hole; the method does not depend on experience of workers, the drilling track and coal rock characteristics in the gas extraction drilling process of the drilling machine are accurately mastered, and the problem that the mine drilling track cannot be measured is solved.
Owner:中煤能源研究院有限责任公司

Mine emergency data relay transmission method based on LoRa and 4G fusion

The invention discloses a mine emergency data relay transmission method based on LoRa and 4G fusion, and belongs to the technical field of mine communication. The method comprises the steps that a communication node monitors sensor data in real time, and when key emergency data is recognized, 4G signal strength is automatically detected; when the 4G signal strength is lower than a set threshold value, starting a LoRa multi-hop relay transmission mode, and selecting an optimal relay node through a dynamic relay node discovery and comprehensive preferential algorithm; the key data is transmitted to an exit node with 4G connection capability through a one-hop or multi-hop LoRa link, and is finally uploaded to a command center through a 4G network. According to the invention, through advantage complementation of LoRa and 4G, a hybrid communication network adaptive to a complex mine environment is constructed, and the technical problem of reliable transmission of key data in a communication blind area is effectively solved.
Owner:CCTEG SHENYANG ENG CO

Vehicle communication system, vehicle communication method, and control device

A vehicle communication system includes a plurality of ECUs connected by the communication network including a plurality of communication transmission lines. Each of the ECUs includes an identification unit that identifies a target ECU to be a communication partner, and a relay transmission line and a relay ECU through which communication with the target ECU is routed, a standby time determination unit that determines a transmission standby time based on information on the relay ECU, the transmission standby time being a time from transmission of an activation instruction to another one of the ECUs closest to the ECU along the relay transmission line to transmission of a control signal toward the target ECU, and a communication unit that transmits the control signal after an elapse of the transmission standby time after transmitting the activation instruction to the relay transmission line closest to the ECU.
Owner:HONDA MOTOR CO LTD

Electromagnetic wave mode-while-drilling conversion relay transmission method and system

The invention relates to the technical field of underground measurement-while-drilling data transmission, in particular to an electromagnetic wave mode-while-drilling conversion relay transmission method and system. The method comprises the following steps: acquiring measurement data and transmitting a signal through a double-insulation controlled dipole transmitting structure; receiving the measurement data signal through a repeater arranged along the drill string; determining an equivalent emission impedance characteristic by outputting a detection signal to an external medium and collecting an output end voltage and a current effective value; receiving a propagable guidance response formed by the measurement data signal; judging the type of the current well section based on the equivalent emission impedance characteristic and the propagable guide response; switching to a casing guide injection path or an open hole coupling injection path is selected according to the type of the well section; and carrying out relay forwarding on the signal based on the corresponding emission parameter group. Intelligent identification and conversion of signal modes are achieved, the relay transmission success rate and stability of cased well measurement data signals are improved, the link building distance is shortened, and power consumption and risks caused by working condition uncertainty are reduced.
Owner:DAQING DRILLING ENGINEERING CO LTD +1

2.4 G-based RSSI (Received Signal Strength Indicator) positioning data relay transmission device and method

The invention discloses a 2.4 G-based RSSI (Received Signal Strength Indicator) positioning data relay transmission device and method, and belongs to the technical field of wireless communication. The device comprises a positioning label, a positioning gateway, a relay gateway and a public network gateway. The positioning tag broadcasts a 2.4 G signal containing the ID of the positioning tag; the positioning gateway scans the 2.4 G signal, and generates and broadcasts a data packet in which a positioning gateway address, a data packet number, a relay level and aggregated data are packaged; a relay gateway is switched to a low-power-consumption mode after initialization through a monitoring-learning-synchronization mechanism, wakes up and receives data in a broadcast time window of an upstream gateway of the relay gateway, updates a relay level and forwards the data to a downstream gateway, and therefore multi-hop relay transmission of the data is achieved. And the public network gateway finally uploads the data to a cloud platform or an upper computer. According to the invention, through data aggregation and time synchronization dormancy, the system power consumption is greatly reduced, and long-distance and long-endurance positioning data transmission of battery power supply in a complex environment is realized.
Owner:云筑信息科技(成都)有限公司 +1

Multi-hop access traffic transmission method and device, communication equipment, storage medium and program product

The invention relates to a multi-hop access traffic transmission method and device, communication equipment, a storage medium and a program product, and relates to the technical field of wireless communication and terminals. According to the invention, a solution can be provided for a multi-hop access network in a scene from a terminal using a non-3GPP interworking function based on 5G proximity service to a network relay, and expansion of 5G network coverage is facilitated. The method comprises the following steps that: intermediate relay UE (User Equipment) acquires at least two internet protocol addresses requested from upper-level relay UE, and if flow to be transmitted belongs to the intermediate relay UE, the encrypted flow is transmitted to the upper-level relay UE by utilizing a first internet protocol address, so that the encrypted flow is transmitted to a non-3GPP intercommunication function selected by the intermediate relay UE through the upper-level relay UE; and if the traffic to be transmitted belongs to the UE except the intermediate relay UE, transmitting the traffic to the upper-level relay UE by using the second internet protocol address, so as to transmit the traffic to the non-3GPP intercommunication function selected by the UE through the upper-level relay UE.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Mobile communication system, relay apparatus, network apparatus, communication method, non-transitory computer- readable medium and chipset

A mobile communication system includes a network and a relay apparatus configured to perform relay transmission for relaying a radio signal transmitted between the network and a user equipment. The relay apparatus is configured to connect to a cell selected through cell selection or cell reselection and perform the relay transmission. Cell information for specifying a desired cell determined to be a connection destination of the repeater apparatus is communicated between the network and the repeater apparatus or between entities in the network.
Owner:KYOCERA CORP

An intelligent scheduling control method for an automobile parts automatic assembly line

The application discloses an intelligent scheduling control method for an automobile part automatic assembly line, and relates to the technical field of automatic control, which comprises the following steps: obtaining the task instruction response time length value and the node execution action state change value of each execution unit in a current scheduling period, and calculating the response delay value and the state fluctuation value of the corresponding node; generating a response efficiency value according to the response delay value and the state fluctuation value of each node, and generating a feedback control level label in combination with the node task attribute information; judging whether to perform compression processing based on the feedback control level label and the available idle time value of each node in the current scheduling period, and if the compression condition is met, encoding the response delay value and the state fluctuation value into a compressed feedback data frame; and completing the relay transmission of the compressed feedback data frame in a time period that meets the scheduling idle condition, so that the scheduling delay pressure control, task state accurate maintenance and instruction issuing sequence dynamic optimization of the automobile part automatic assembly line are realized.
Owner:ZHUJI CHENGXIN MACHINERY TECHNOLOGY CO LTD

Sensing request node, response node, and data relay transmission method

A sensing request node includes a transceiver and a processor configured to, in response to determining that a first response node in a sensing area has not returned first sensing data and receiving the first sensing data from at least one second response node in the sensing area, select a third response node from the at least one second response node, transmit relay configuration information to the first response node and the third response node, and receive second sensing data from the third response node. The second sensing data is the first sensing data retransmitted by the first response node to the third response node according to the relay configuration information.
Owner:LENOVO (BEIJING) LTD

Data relay transmission method, access point device, relay device, and station device

PCT designated stage expiredWO2025097308A1Wireless communicationStationTrunking
The embodiments of the present disclosure relate to a data relay transmission method, an access point device, a relay device, and a station device. The data relay transmission method is applied to an access point device. The method comprises: determining a first trigger frame within a transmission opportunity (TXOP), wherein the first trigger frame is used for triggering at least one of the following operations: triggering a candidate relay device to measure a channel quality parameter on the basis of the first trigger frame and feed back a channel quality report to an access point device, triggering a station device to send a channel measurement frame to the candidate relay device, and triggering the candidate relay device to send a channel measurement frame to the station device; and sending the first trigger frame. Therefore, it is ensured that a relay transmission mode is better than a direct link transmission mode, thereby optimizing a data transmission process, and meeting the UHR transmission requirements.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

A radio frequency relay transmission structure

The application relates to the field of radio frequency relays, in particular to a radio frequency relay transmission structure, which comprises a shell, an electromagnetic coil is installed at the bottom of the shell, a placement position for placing contacts is arranged at the middle part of the shell, and a transmission structure is arranged at the upper part of the shell; the transmission assembly comprises a first transmission assembly; the first transmission assembly comprises a magnetic steel, a moving iron core, a connecting rod, a fixing column, a push rod and an elastic piece; the magnetic steel is arranged inside the upper end of the shell, the moving iron core is arranged inside the magnetic steel, one end of the connecting rod is fixed with the moving iron core, the other end of the connecting rod is fixed with one end of the push rod, and the other end of the push rod is fixed with a moving contact; the bottom of the fixing column penetrates through the top of the shell and extends to the same horizontal plane of a static contact; one end of the elastic piece is fixed with the outer wall of the fixing column, and the other end of the elastic piece is fixed with the outer wall of the push rod; the structure is designed concisely; through the design of the spring piece structure, the functions of action, return and fixed direction can be realized, and the structure design is good in process and high in reliability.
Owner:深圳市西科技术有限公司

Ad hoc network transmission method suitable for field environment

The invention relates to the technical field of wireless communication, in particular to an ad hoc network transmission method suitable for a field environment, which comprises the following steps: S1, heterogeneous network architecture design: network nodes are deployed in a non-signal area and are responsible for data acquisition and Mesh relay transmission; the gateway nodes are deployed at the boundary of a signal area and are responsible for 4G / LoRa protocol conversion and cloud forwarding, and each node has the capability of automatically identifying the signal intensity of the current environment; and S3, an intelligent transmission mechanism is adopted, in the starting stage, after the nodes are powered on, cellular network signals are automatically detected, and according to the signal strength, the roles of the network nodes and the competitive gateway nodes are autonomously determined. An autonomous relay transmission mechanism based on the Mesh network is constructed, the network reliability is improved, autonomous roaming and multi-path transmission of the nodes are achieved, the communication success rate in a severe environment is improved, energy consumption distribution is optimized, and the situation that specific nodes deplete energy too early is avoided through dynamic role distribution.
Owner:国家林业和草原局西北调查规划院

Method for network coverage of overhead transmission line in unpopulated areas

The application provides a kind of unmanned area overhead transmission line network coverage method, along the line deployment multiple as intelligent spacer intelligent network node, node uses modular hot plug structure, equipped with super capacitor and solid-state battery hybrid energy storage system;Through LoRa communication to build distributed wireless mesh ad hoc network, combined with TDMA time division multiple access and AODV adaptive routing protocol;Utilize the power supply of at least two different principle of multi-source fusion self-powered module power supply;Node collects line monitoring data and carries out edge computing processing, and the processed data is transmitted through multi-hop relay transmission of ad hoc network, and then transmitted to the center master station through the main and standby dual-link redundant transmission architecture.The application can realize long-term stable self-power supply and reliable communication of unmanned transmission line, improve the real-time performance of monitoring data transmission and network invulnerability.
Owner:SHANGHAI KUNHUA TECHNOLOGY CO LTD

Unmanned aerial vehicle patrol method and system for road area environment improvement

The invention discloses an unmanned aerial vehicle patrol method and system for road area environment improvement, and relates to the technical field of unmanned aerial vehicle communication, and the method comprises the steps: distributing an unmanned aerial vehicle group for each patrol unit; predicting the unmanned aerial vehicle task load of each patrol unit, formulating an unmanned aerial vehicle scheduling mechanism based on the prediction result of the unmanned aerial vehicle task load, and establishing a communication link between the current unmanned aerial vehicle cluster and the scheduling unmanned aerial vehicle according to the unmanned aerial vehicle scheduling mechanism; and sensing a communication link signal between the current unmanned aerial vehicle cluster and the scheduling unmanned aerial vehicle in real time, and calculating an optimal relay transmission path by using a path optimization algorithm when the communication link signal is interrupted so as to realize communication link signal reconstruction. Through a communication resource allocation mechanism of the space-time hash code, the communication stability between the unmanned aerial vehicle cluster and the scheduling unmanned aerial vehicle can be ensured, and then task delay caused by communication resource conflicts is avoided.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

A learning assistance method, device, storage medium and electronic device

The present application discloses a learning assistance method, device, storage medium and electronic device, relating to the technical field of data processing, including: obtaining the learning information of a student in the key learning area in the learning map through information interaction between a cloud server and a client, and generating the learning trajectory of the student based on the learning information; in response to the student triggering a learning collaboration request, determining the request position of the student in the learning map and the first learning grid where the request position is located in a plurality of learning grids based on the learning trajectory; sending a learning collaboration request to target students within a preset grid range based on the relay transmission node corresponding to the first learning grid to match students with similar learning trajectories to respond to the learning collaboration request; and sending the response information of the learning collaboration request to the student in a predetermined recommended order. The present application can improve the response timeliness of students' questions, and students can obtain response information in a timely manner when assistance is needed, improving the learning efficiency and experience of students.
Owner:浙江海亮科技有限公司